content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import io.reactivex.common.Disposable;
  import io.reactivex.common.exceptions.Exceptions;
  import io.reactivex.common.functions.Consumer;
  import io.reactivex.observable.*;
  
  public final class SingleDoOnSuccess<T> extends Single<T> {
  
      final SingleSource<T> source;
  
      final Consumer<? super T> onSuccess;
  
      public SingleDoOnSuccess(SingleSource<T> source, Consumer<? super T> onSuccess) {
          this.source = source;
          this.onSuccess = onSuccess;
      }
  
      @Override
      protected void subscribeActual(final SingleObserver<? super T> s) {
  
          source.subscribe(new DoOnSuccess(s));
      }
  
      final class DoOnSuccess implements SingleObserver<T> {
          private final SingleObserver<? super T> s;
  
          DoOnSuccess(SingleObserver<? super T> s) {
              this.s = s;
          }
  
          @Override
          public void onSubscribe(Disposable d) {
              s.onSubscribe(d);
          }
  
          @Override
          public void onSuccess(T value) {
              try {
                  onSuccess.accept(value);
              } catch (Throwable ex) {
                  Exceptions.throwIfFatal(ex);
                  s.onError(ex);
                  return;
              }
              s.onSuccess(value);
          }
  
          @Override
          public void onError(Throwable e) {
              s.onError(e);
          }
  
      }
  }
  